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Old Feb 3, 2009, 9:24 PM   #8
garman
Senior Member
 
Join Date: Oct 2004
Posts: 278
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I figured out the problem with my lens. I brought it in for servicing 3 weeks ago. Bad HSM motor. I waited so long for the repair, the repair center gave me a NEW sigma (not sure if i like this option). I just need to test it for sharpness through-out the focal range and at f2.8.
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